CRONTAB.SYS(8) XR32 REFERENCE MANUAL 24/1/2013
NAME
CRONTAB.SYS -- Event Control File (optional).
DESCRIPTION
This optional file allows XR32 commands to be executed at
certain times of the day, week, month or year.
A few of the possible uses would be:
- Additional AX25 beacons.
- Beaconning APRS objects, status, bulletins and
announcements.
- Adjusting Netrom / IP routing to account for part-time
neighbours.
- Enabling / disabling transmitters.
- Controlling peripherals via the CTRL port.
- Adjusting parameters to cope with diurnal propogation
changes.
- Loading updated ENCAP.TXT at intervals.
- Enabling / disabling IGATE at certain times of day / week.
- Automatic reboots / restarts / exits for batch file
processing etc.
When commands are executed, all responses from the command
processor are discarded.
FILE FORMAT
Each entry is specified on a seperate line. Empty lines,
and lines beginning with '#' or ';' are ignored.
Entries have the following format:
<min> <hour> <date> <month> <day> <command> [args]
0-59 0-23 1-31 1-12 0-6
Fields must be seperated by one or more spaces or tabs.
<command> is executed if <min> <hour> and <month> match
the current time, and either the <date> (day of month)
or <day> (of week) match. [args] specifies the command's
argument(s).
Dates / times may be specified as single numbers, multiple
numbers, ranges, or a mixture thereof, e.g. "0-5,7,9,15-22".
Note there must be no spaces within the string of characters.
Use '*' in any of the first 5 fields to signify "all".
EXAMPLES
; <min> <hour> <date> <month> <day> <command> [args]
; Every 20 mins, advertise the BBS using an APRS symbol
; on port 13
0,20,40 * * * * send 13 APZ179 !5224.00N/00215.00WB GB7PZT
; Every Thursday at 03:05 save nodes table to an archive
5 3 * * 4 SAVENODES PZTNODES.ACV
CRONTAB.SYS(8) END OF DOCUMENT
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